This week on Sierra Club Radio:Hudson Henry the cinematographer of new documentary An American Ascent covering the first African-American expedition to take on Denali. Keith Geddes and John Thomas on the creation of a new hiking trail in Scotland called the John Muir Way.

With the D.C. Circuit’s decision on Tuesday (7/28) on the Cross State Air Pollution Rule ("CSAPR"), some of the last remaining roadblocks to EPA's attempts to address crossboundary air pollution in the eastern half of the United States have been removed, finally granting certainty to when CSAPR will go into effect, albeit in a way that raises some questions as to how pollution will be reduced.

By presidential proclamation, Browns Canyon National Monument became Colorado’s eighth such site thanks to Barack Obama on February 19. Future generations can look forward to exploring this stupendous American wilderness: looking out over the Sangre de Cristo Range, a colorful array of mountain...

A new report commissioned by the Sierra Club shows how Rocky Mountain Power’s Utah coal plants are becoming increasingly costly, with a growing risk that these costs will be passed on to customers in the form of rate hikes.